Home / 179,147.76-247,234.37-102,690.54

Finding the Fourth Proportional to 179,147.76, 247,234.37 and 102,690.54

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Solution

The fourth proportional to 179,147.76, 247,234.37 and 102,690.54 is: 141,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,147.76 : 247,234.37 = 102,690.54 : x
  2. Step 2: Convert to fraction form
    179,147.76/247,234.37 = 102,690.54/x
  3. Step 3: Cross multiply
    179,147.76x = 247,234.37 × 102,690.54
  4. Step 4: Simplify right side
    179,147.76x = 25,388,630,448.41
  5. Step 5: Solve for x
    x = 25,388,630,448.41/179,147.76
  6. Step 6: Final answer
    x = 141,718.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.